A cliff diver mass 165 ibm dives from a 135 ft cliff into, Ask an Expert

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A cliff diver, mass 165 Ibm, dives from a 135 ft cliff into the sea. Neglecting air friction:

(a) What is the diver's total energy in joules at the following heights: 100 ft, 50 ft, surface of the water?

(b) What is the diver's velocity in mph at the first contact with the water?

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